# Copyright (c) 2021-2022, NVIDIA CORPORATION.  All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

BUILD_MULTI_ARCH_IMAGES ?= no
DOCKER ?= docker
BUILDX  =
ifeq ($(BUILD_MULTI_ARCH_IMAGES),true)
BUILDX = buildx
endif
MKDIR    ?= mkdir

##### Global variables #####
include $(CURDIR)/versions.mk

ifeq ($(IMAGE_NAME),)
IMAGE_NAME := $(REGISTRY)/$(DRIVER_NAME)
endif

IMAGE_VERSION := $(VERSION)

IMAGE_TAG ?= $(IMAGE_VERSION)
IMAGE = $(IMAGE_NAME):$(IMAGE_TAG)

OUT_IMAGE_NAME ?= $(IMAGE_NAME)
OUT_IMAGE_VERSION ?= $(IMAGE_VERSION)
OUT_IMAGE_TAG = $(OUT_IMAGE_VERSION)
OUT_IMAGE = $(OUT_IMAGE_NAME):$(OUT_IMAGE_TAG)

##### Public rules #####
DEFAULT_PUSH_TARGET := image
DISTRIBUTIONS = $(DEFAULT_PUSH_TARGET)

IMAGE_TARGETS := $(patsubst %,image-%,$(DISTRIBUTIONS))
BUILD_TARGETS := $(patsubst %,build-%,$(DISTRIBUTIONS))
PUSH_TARGETS := $(patsubst %,push-%,$(DISTRIBUTIONS))
TEST_TARGETS := $(patsubst %,test-%, $(DISTRIBUTIONS))

.PHONY: $(DISTRIBUTIONS) $(PUSH_TARGETS) $(BUILD_TARGETS) $(TEST_TARGETS) $(BUILD_TARGETS)

ifneq ($(BUILD_MULTI_ARCH_IMAGES),true)
include $(CURDIR)/deployments/container/native-only.mk
else
include $(CURDIR)/deployments/container/multi-arch.mk
endif

# For the default push target we also push a short tag equal to the version.
# We skip this for the development release
DEVEL_RELEASE_IMAGE_VERSION ?= devel
PUSH_MULTIPLE_TAGS ?= true
ifeq ($(strip $(OUT_IMAGE_VERSION)),$(DEVEL_RELEASE_IMAGE_VERSION))
PUSH_MULTIPLE_TAGS = false
endif
ifeq ($(PUSH_MULTIPLE_TAGS),true)
push-$(DEFAULT_PUSH_TARGET): push-short
endif


DOCKERFILE = $(CURDIR)/deployments/container/Dockerfile

# Use a generic build target to build the relevant images
$(IMAGE_TARGETS): image-%:
	DOCKER_BUILDKIT=1 \
		$(DOCKER) $(BUILDX) build --pull \
		--provenance=false --sbom=false \
		$(DOCKER_BUILD_OPTIONS) \
		$(DOCKER_BUILD_PLATFORM_OPTIONS) \
		--tag $(IMAGE) \
		--build-arg VERSION="$(VERSION)" \
		--build-arg GIT_COMMIT="$(GIT_COMMIT)" \
		$(if $(LABEL_IMAGE_SOURCE),--label "org.opencontainers.image.source=$(LABEL_IMAGE_SOURCE)",) \
		-f $(DOCKERFILE) \
		$(CURDIR)

# Handle the default build target.
.PHONY: build
build: $(DEFAULT_PUSH_TARGET)
$(DEFAULT_PUSH_TARGET): build-$(DEFAULT_PUSH_TARGET)

REGCTL ?= regctl
$(PUSH_TARGETS): push-%:
	$(REGCTL) \
	        image copy \
	        $(IMAGE) $(OUT_IMAGE)

push-short:
	$(REGCTL) \
	        image copy \
	        $(IMAGE) $(OUT_IMAGE_NAME):$(OUT_IMAGE_VERSION)
